Lot 279 , A German brass alidade by F. Sartorius, Göttingen, number 1755, 58.5cm wide, contained within a fitted birch case with applied maker’s label and other reference markings, the case; 63cm wide, 14cm high, 25cm deep at the

A German brass alidade by F. Sartorius, Göttingen, number 1755, 58.5cm wide, contained within a fitted birch case with applied maker’s label and other reference markings, the case; 63cm wide, 14cm high, 25cm deep at the widest point
£40-60